Calipso climatology satellite en route from Alcatel to California launch site



Paris, May 19, 2005 - The climatology satellite Calipso (Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations) left Alcatel Space, a subsidiary of Alcatel (Paris: CGEP.PA and NYSE: ALA), plant in Cannes (southern France) during the night of May 18 for transport to the Vandenberg Air Force Base and spaceport in California. Launch is scheduled for this summer on a Delta 2 launcher, along with the Cloudsat satellite.

Calipso will help scientists understand the Earth's climatic system and predict global changes, an ability limited until now by uncertainty about the radiation impact of clouds and aerosols. It will supply a unique set of data on vertical atmosphere profiles, using the first satellite-mounted backscatter lidar (LIght Detection And Ranging).

This climatology mission, designed to support the sustainable development of our planet, is a joint program of NASA and French space agency CNES, with Alcatel Space and Ball Aerospace as the main industry partners.

Calipso is part of a global climate study program and will be flying in formation with two American missions, Aqua and Cloudsat, along with the French microsatellite, Parasol. This will form an exceptional space observatory, the "A-train", combining all active and passive measurement techniques and positioned in sun-synchronous orbit at an altitude of 705 kilometers. Aqua was launched in April 2002 and has a design life of five years. Parasol was launched on December 18, 2004.

Calipso is the second application for the Proteus platform developed by Alcatel in conjunction with CNES. Following the Jason-1 oceanographic altimetry satellite, which celebrated the third anniversary of a very successful mission last December. The Poseidon altimeter on the Jason-1 satellite delivers a constant stream of essential oceanography data.

Alcatel Space brings its multidisciplinary expertise to bear on all types of scientific space observation - oceanography, climatology, meteorology - based on two complementary areas of excellence: observation platforms and very-high-precision microwave and optical sensors. Already the world leader in geostationary meteorology satellites, with the Calipso mission Alcatel Space is also consolidating its increasingly important role in low-orbit climatology.

About Alcatel Space
Alcatel Space, a wholly owned subsidiary of Alcatel, is the world's third largest satellite manufacturer and Number 1 in Europe. Deploying extensive dual expertise in civil and military applications, Alcatel Space develops satellite solutions for telecommunications, navigation, radar and optical observation, meteorology and science. The company is also the leading European prime contractor for earth observation, meteorology and navigation ground segments, and for space system operation. Alcatel Space is today leading Eurely, the European consortium bidding for the Galileo concession.
For more information, visit the Alcatel Space web site: www.alcatel.com/space

About Alcatel
Alcatel provides communications solutions to telecommunication carriers, Internet service providers and enterprises for delivery of voice, data and video applications to their customers or employees. Alcatel brings its leading position in fixed and mobile broadband networks; applications and services, to help its partners and customers build a user-centric broadband world. With sales of EURO 12.3 billion in 2004, Alcatel operates in more than 130 countries.

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